Archimedes screw pump. Helical water pump

simonfilm 28 Oct 2011 08:27
I have just sold this:
https://www.pond5.com/stock-footage/7758018?pf_fullscreen=1


I believe that it could go to a documentary channel....
RekindlePhoto 28 Oct 2011 13:34
was it seen in use?
dapoopta 28 Oct 2011 21:20
cool video.